zloader | d63088780e90eda6a7ce286d6b190614f0ea6f1f55c6e6e9d6a30260eb84d03c

Resubmissions

08/12/2023, 10:29

231208-mjmm7aaf64 10

04/03/2021, 12:26

210304-3wfljytl3s 10

Analysis

max time kernel
1124s
max time network
1129s
platform
windows10-2004_x64
resource
win10v2004-20231127-en
resource tags

arch:x64arch:x86image:win10v2004-20231127-enlocale:en-usos:windows10-2004-x64system
submitted
08/12/2023, 10:29

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General

Target

todxofs.dll
Size

421KB
MD5

f40160b2cfe0667cb4010a400a835a06
SHA1

976c70ede8d10e825cb9e5bd5da0dd2a251bd0e8
SHA256

d63088780e90eda6a7ce286d6b190614f0ea6f1f55c6e6e9d6a30260eb84d03c
SHA512

e919819cdc45b2ed93c69f3f0267698940ee316707f6a722697100bfa79da9d277667c0276f36ba47f62dea8855e18e0e8ffaf5a708b369d73d2961b9fdfc3b4
SSDEEP

6144:tZXN7Sgy8WA3gha780p2F2V6voOy5Gn7n0O8N5WYeXmseY1rmWd2KWJ:tjSgyhA30a78rQqIN5te20qWd2KWJ

Score

10^/10

zloader april23fixed april23fixed botnet trojan

Malware Config

Extracted

Family

zloader

Botnet

April23Fixed

Campaign

April23Fixed

http://wmwifbajxxbcxmucxmlc.com/post.php

http://onfovdaqqrwbvdfoqnof.com/post.php

http://cmmxhurildiigqghlryq.com/post.php

http://nmqsmbiabjdnuushksas.com/post.php

http://fvqlkgedqjiqgapudkgq.com/post.php

http://iawfqecrwohcxnhwtofa.com/post.php

http://nlbmfsyplohyaicmxhum.com/post.php

http://snnmnkxdhflwgthqismb.com/post.php

Attributes

build_id
120

rc4.plain

Signatures

Zloader, Terdot, DELoader, ZeusSphinx
Zloader is a malware strain that was initially discovered back in August 2015.
trojan botnet zloader

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3952 set thread context of 4588	3952	rundll32.exe	110

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeSecurityPrivilege	4588	msiexec.exe
Token: SeSecurityPrivilege	4588	msiexec.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 3460 wrote to memory of 3952	3460	rundll32.exe	86
PID 3460 wrote to memory of 3952	3460	rundll32.exe	86
PID 3460 wrote to memory of 3952	3460	rundll32.exe	86
PID 3952 wrote to memory of 4588	3952	rundll32.exe	110
PID 3952 wrote to memory of 4588	3952	rundll32.exe	110
PID 3952 wrote to memory of 4588	3952	rundll32.exe	110
PID 3952 wrote to memory of 4588	3952	rundll32.exe	110
PID 3952 wrote to memory of 4588	3952	rundll32.exe	110

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\todxofs.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3460
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\todxofs.dll,#1
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious use of WriteProcessMemory
  PID:3952
- - C:\Windows\SysWOW64\msiexec.exe
    msiexec.exe
    3⤵
    - Suspicious use of AdjustPrivilegeToken
    PID:4588

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/3952-0-0x0000000074190000-0x000000007510D000-memory.dmp

Filesize
15.5MB

Download
memory/3952-1-0x0000000074190000-0x000000007510D000-memory.dmp

Filesize
15.5MB

Download
memory/3952-2-0x0000000000A80000-0x0000000000A81000-memory.dmp

Filesize
4KB

Download
memory/3952-3-0x0000000074190000-0x000000007510D000-memory.dmp

Filesize
15.5MB

Download
memory/3952-15-0x0000000074190000-0x000000007510D000-memory.dmp

Filesize
15.5MB

Download
memory/4588-14-0x00000000008A0000-0x00000000008D4000-memory.dmp

Filesize
208KB

Download
memory/4588-17-0x00000000008A0000-0x00000000008D4000-memory.dmp

Filesize
208KB

Download